272734498192257 has 6 divisors (see below), whose sum is σ = 393949830722162. Its totient is φ = 181822998794832.

The previous prime is 272734498192253. The next prime is 272734498192307. The reversal of 272734498192257 is 752291894437272.

272734498192257 is a `hidden beast` number, since 2 + 7 + 2 + 7 + 344 + 98 + 192 + 2 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 146088824531841 + 126645673660416 = 12086721^2 + 11253696^2 .

It is not a de Polignac number, because 272734498192257 - 2² = 272734498192253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272734498192253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15151916566228 + ... + 15151916566245.

Almost surely, 2^{272734498192257} is an apocalyptic number.

It is an amenable number.

272734498192257 is a deficient number, since it is larger than the sum of its proper divisors (121215332529905).

272734498192257 is a wasteful number, since it uses less digits than its factorization.

272734498192257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30303833132479 (or 30303833132476 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 72.

The spelling of 272734498192257 in words is "two hundred seventy-two trillion, seven hundred thirty-four billion, four hundred ninety-eight million, one hundred ninety-two thousand, two hundred fifty-seven".